<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style>
			#div1 p{
				color: rgb(255,0,0);
			}
		</style>
	</head>
	<body>
		<div id="div1">
			<h1>标题1</h1>
			<p>123</p>
			<div>
				<p>123</p>
			</div>
		</div>
	</body>
</html>
